722473213 has 24 divisors (see below), whose sum is σ = 913312064. Its totient is φ = 559405440.

The previous prime is 722473181. The next prime is 722473273. The reversal of 722473213 is 312374227.

It is not a de Polignac number, because 722473213 - 2⁵ = 722473181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722473273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135445 + ... + 140677.

Almost surely, 2^722473213 is an apocalyptic number.

It is an amenable number.

722473213 is a deficient number, since it is larger than the sum of its proper divisors (190838851).

722473213 is a wasteful number, since it uses less digits than its factorization.

722473213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5425 (or 5414 counting only the distinct ones).

The product of its digits is 14112, while the sum is 31.

The square root of 722473213 is about 26878.8618248616. The cubic root of 722473213 is about 897.3060235709.

The spelling of 722473213 in words is "seven hundred twenty-two million, four hundred seventy-three thousand, two hundred thirteen".